Overview: 7 questions will be solved this time.Among them
           ☆7 integer calculations

[1/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 228×800
    Solution:
    228×800 = 182400
    Column vertical calculation:

								2	2	8
✖								8	0	0
								0	0	0
							0	0	0
					1	8	2	4
					1	8	2	4	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 2024×60
    Solution:
    2024×60 = 121440
    Column vertical calculation:

							2	0	2	4
✖									6	0
							0	0	0	0
					1	2	1	4	4
					1	2	1	4	4	0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 1050÷350
    Solution:
    1050÷350 = 3
    Column vertical calculation:

							3
3	5	0	丿	1	0	5	0
				1	0	5	0
							0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 308×400
    Solution:
    308×400 = 123200
    Column vertical calculation:

								3	0	8
✖								4	0	0
								0	0	0
							0	0	0
					1	2	3	2
					1	2	3	2	0	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 3004×90
    Solution:
    3004×90 = 270360
    Column vertical calculation:

							3	0	0	4
✖									9	0
							0	0	0	0
					2	7	0	3	6
					2	7	0	3	6	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 5400÷360
    Solution:
    5400÷360 = 15
    Column vertical calculation:

						1	5
3	6	0	丿	5	4	0	0
				3	6	0
				1	8	0	0
				1	8	0	0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 948×500
    Solution:
    948×500 = 474000
    Column vertical calculation:

								9	4	8
✖								5	0	0
								0	0	0
							0	0	0
					4	7	4	0
					4	7	4	0	0	0

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>>注：本次最多计算 7 道题。

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